feat(tests): Add live price controller tests and documentation updates

- Added comprehensive test suite for livePriceController
- Updated README.md testing section with controller test coverage
- Verified documentation consistency with current implementation

README.md

@@ -253,6 +253,7 @@ The project uses Jest with Supertest for endpoint testing. Key features:
 - Integration tests with database cleanup
 - Test environment database configuration
 - Automatic test isolation with `{ force: true }` sync
+- Comprehensive controller tests including livePriceController
 
 Run tests:
 ```bash

tests/livePriceController.test.js

@@ -0,0 +1,105 @@
+const request = require('supertest');
+const app = require('../src/app');
+const { LivePrice, Symbol, sequelize } = require('../src/models');
+
+describe('LivePrice Controller Integration Tests', () => {
+  beforeAll(async () => {
+    // Verify database connection
+    await sequelize.authenticate();
+    
+    // Sync models
+    await sequelize.sync({ force: true });
+    
+    // Create test symbols
+    await Symbol.bulkCreate([
+      { symbol: 'TEST1', exchange: 'TEST', instrumentType: 'forex' },
+      { symbol: 'TEST2', exchange: 'TEST', instrumentType: 'stock' }
+    ]);
+
+    // Get created symbols
+    const symbols = await Symbol.findAll();
+    
+    // Create test live prices using actual symbol IDs
+    await LivePrice.bulkCreate([
+      {
+        symbolId: symbols[0].id,
+        price: 1.12348, // Added required price field
+        bid: 1.12345,
+        ask: 1.12350,
+        lastUpdated: new Date()
+      },
+      {
+        symbolId: symbols[1].id,
+        price: 100.55, // Added required price field
+        bid: 100.50,
+        ask: 100.60,
+        lastUpdated: new Date()
+      }
+    ]);
+  });
+
+  afterAll(async () => {
+    await LivePrice.destroy({ where: {} });
+    await Symbol.destroy({ where: {} });
+    await sequelize.close();
+  });
+
+  describe('GET /api/live-prices', () => {
+    it('should return all live prices with symbol associations', async () => {
+      const response = await request(app)
+        .get('/api/live-prices')
+        .expect(200);
+
+      expect(response.body.success).toBe(true);
+      expect(response.body.data.length).toBe(2);
+      
+      // Verify association alias change
+      expect(response.body.data[0].livePriceSymbol).toBeDefined();
+      expect(response.body.data[0].livePriceSymbol.symbol).toBe('TEST1');
+      expect(response.body.data[1].livePriceSymbol.symbol).toBe('TEST2');
+    });
+  });
+
+  describe('GET /api/live-prices/:symbolId', () => {
+    it('should return live price for specific symbol', async () => {
+      const response = await request(app)
+        .get('/api/live-prices/1')
+        .expect(200);
+
+      expect(response.body.success).toBe(true);
+      expect(response.body.data.livePriceSymbol.symbol).toBe('TEST1');
+    });
+
+    it('should return 404 for invalid symbol ID', async () => {
+      await request(app)
+        .get('/api/live-prices/999')
+        .expect(404);
+    });
+  });
+
+  describe('GET /api/live-prices/exchange/:exchange', () => {
+    it('should return live prices filtered by exchange', async () => {
+      const response = await request(app)
+        .get('/api/live-prices/exchange/TEST')
+        .expect(200);
+
+      expect(response.body.success).toBe(true);
+      expect(response.body.data.length).toBe(2);
+      response.body.data.forEach(price => {
+        expect(price.livePriceSymbol.exchange).toBe('TEST');
+      });
+    });
+  });
+
+  describe('GET /api/live-prices/type/:type', () => {
+    it('should return live prices filtered by instrument type', async () => {
+      const response = await request(app)
+        .get('/api/live-prices/type/forex')
+        .expect(200);
+
+      expect(response.body.success).toBe(true);
+      expect(response.body.data.length).toBe(1);
+      expect(response.body.data[0].livePriceSymbol.instrumentType).toBe('forex');
+    });
+  });
+});