add changes

backend/tests/test-error-handling.js

@@ -0,0 +1,215 @@
+const axios = require('axios');
+
+const BASE_URL = 'http://localhost:3000/api';
+
+console.log('Testing Error Handling & Logging\n');
+console.log('='.repeat(50));
+
+async function testErrorHandling() {
+  const tests = [
+    {
+      name: '404 Not Found',
+      test: async () => {
+        try {
+          await axios.get(`${BASE_URL}/nonexistent-route`);
+          return { success: false, message: 'Should have thrown 404' };
+        } catch (error) {
+          if (error.response?.status === 404) {
+            return { 
+              success: true, 
+              message: `✓ 404 handled correctly: ${error.response.data.message}` 
+            };
+          }
+          return { success: false, message: `✗ Unexpected error: ${error.message}` };
+        }
+      }
+    },
+    {
+      name: '401 Unauthorized (No Token)',
+      test: async () => {
+        try {
+          await axios.get(`${BASE_URL}/auth/verify`);
+          return { success: false, message: 'Should have thrown 401' };
+        } catch (error) {
+          if (error.response?.status === 401) {
+            return { 
+              success: true, 
+              message: `✓ 401 handled correctly: ${error.response.data.message}` 
+            };
+          }
+          return { success: false, message: `✗ Unexpected error: ${error.message}` };
+        }
+      }
+    },
+    {
+      name: '401 Unauthorized (Invalid Token)',
+      test: async () => {
+        try {
+          await axios.get(`${BASE_URL}/auth/verify`, {
+            headers: { 'Authorization': 'Bearer invalid-token' }
+          });
+          return { success: false, message: 'Should have thrown 401' };
+        } catch (error) {
+          if (error.response?.status === 401) {
+            return { 
+              success: true, 
+              message: `✓ 401 handled correctly: ${error.response.data.message}` 
+            };
+          }
+          return { success: false, message: `✗ Unexpected error: ${error.message}` };
+        }
+      }
+    },
+    {
+      name: '400 Bad Request (Missing Required Fields)',
+      test: async () => {
+        try {
+          await axios.post(`${BASE_URL}/auth/register`, {
+            username: 'test'
+            // missing email and password
+          });
+          return { success: false, message: 'Should have thrown 400' };
+        } catch (error) {
+          if (error.response?.status === 400) {
+            return { 
+              success: true, 
+              message: `✓ 400 handled correctly: ${error.response.data.message}` 
+            };
+          }
+          return { success: false, message: `✗ Unexpected error: ${error.message}` };
+        }
+      }
+    },
+    {
+      name: '400 Bad Request (Invalid Email)',
+      test: async () => {
+        try {
+          await axios.post(`${BASE_URL}/auth/register`, {
+            username: 'testuser123',
+            email: 'invalid-email',
+            password: 'password123'
+          });
+          return { success: false, message: 'Should have thrown 400' };
+        } catch (error) {
+          if (error.response?.status === 400) {
+            return { 
+              success: true, 
+              message: `✓ 400 handled correctly: ${error.response.data.message}` 
+            };
+          }
+          return { success: false, message: `✗ Unexpected error: ${error.message}` };
+        }
+      }
+    },
+    {
+      name: 'Health Check (Success)',
+      test: async () => {
+        try {
+          const response = await axios.get('http://localhost:3000/health');
+          if (response.status === 200 && response.data.status === 'OK') {
+            return { 
+              success: true, 
+              message: `✓ Health check passed: ${response.data.message}` 
+            };
+          }
+          return { success: false, message: '✗ Health check failed' };
+        } catch (error) {
+          return { success: false, message: `✗ Health check error: ${error.message}` };
+        }
+      }
+    },
+    {
+      name: 'Successful Login Flow',
+      test: async () => {
+        try {
+          // First, try to register a test user
+          const timestamp = Date.now();
+          const testUser = {
+            username: `errortest${timestamp}`,
+            email: `errortest${timestamp}@example.com`,
+            password: 'password123'
+          };
+          
+          await axios.post(`${BASE_URL}/auth/register`, testUser);
+          
+          // Then login
+          const loginResponse = await axios.post(`${BASE_URL}/auth/login`, {
+            email: testUser.email,
+            password: testUser.password
+          });
+          
+          if (loginResponse.status === 200 && loginResponse.data.token) {
+            return { 
+              success: true, 
+              message: `✓ Login successful, token received` 
+            };
+          }
+          return { success: false, message: '✗ Login failed' };
+        } catch (error) {
+          if (error.response?.status === 409) {
+            // User already exists, try logging in
+            return { 
+              success: true, 
+              message: `✓ Validation working (user exists)` 
+            };
+          }
+          return { success: false, message: `✗ Error: ${error.message}` };
+        }
+      }
+    },
+    {
+      name: 'Check Logs Directory',
+      test: async () => {
+        const fs = require('fs');
+        const path = require('path');
+        const logsDir = path.join(__dirname, 'logs');
+        
+        if (fs.existsSync(logsDir)) {
+          const files = fs.readdirSync(logsDir);
+          if (files.length > 0) {
+            return { 
+              success: true, 
+              message: `✓ Logs directory exists with ${files.length} file(s): ${files.join(', ')}` 
+            };
+          }
+          return { 
+            success: true, 
+            message: `✓ Logs directory exists (empty)` 
+          };
+        }
+        return { success: false, message: '✗ Logs directory not found' };
+      }
+    }
+  ];
+
+  let passed = 0;
+  let failed = 0;
+
+  for (const test of tests) {
+    console.log(`\n${test.name}:`);
+    try {
+      const result = await test.test();
+      console.log(`  ${result.message}`);
+      if (result.success) passed++;
+      else failed++;
+    } catch (error) {
+      console.log(`  ✗ Test error: ${error.message}`);
+      failed++;
+    }
+  }
+
+  console.log('\n' + '='.repeat(50));
+  console.log(`\nTest Results: ${passed}/${tests.length} passed, ${failed} failed`);
+  
+  if (failed === 0) {
+    console.log('\n✅ All error handling tests passed!');
+  } else {
+    console.log(`\n⚠️  Some tests failed. Check the logs for details.`);
+  }
+}
+
+// Run tests
+testErrorHandling().catch(error => {
+  console.error('Fatal error:', error);
+  process.exit(1);
+});