added initial integration tests with bun

jest.setup.ts

@@ -0,0 +1,159 @@
+/**
+ * Jest Setup File for Stock Bot Trading Platform
+ * 
+ * Global test configuration and utilities available across all tests.
+ * This file is executed before each test file runs.
+ */
+
+import 'jest-extended';
+
+// Increase test timeout for integration tests
+jest.setTimeout(30000);
+
+// Mock console methods to reduce noise during tests
+// but allow them to be restored if needed
+const originalConsole = global.console;
+
+global.console = {
+  ...originalConsole,
+  log: jest.fn(),
+  debug: jest.fn(),
+  info: jest.fn(),
+  warn: jest.fn(),
+  error: jest.fn(),
+};
+
+// Global test utilities available in all test files
+declare global {
+  var testHelpers: {
+    sleep: (ms: number) => Promise<void>;
+    mockTimestamp: () => Date;
+    generateTestOHLCV: (symbol?: string, overrides?: any) => any;
+    generateTestTrade: (symbol?: string, overrides?: any) => any;
+    generateTestQuote: (symbol?: string, overrides?: any) => any;
+    mockLogger: () => any;
+    restoreConsole: () => void;
+  };
+}
+
+global.testHelpers = {
+  /**
+   * Sleep utility for async tests
+   */
+  sleep: (ms: number) => new Promise(resolve => setTimeout(resolve, ms)),
+  
+  /**
+   * Consistent mock timestamp for tests
+   */
+  mockTimestamp: () => new Date('2024-01-01T12:00:00Z'),
+  
+  /**
+   * Generate test OHLCV data
+   */
+  generateTestOHLCV: (symbol: string = 'AAPL', overrides: any = {}) => ({
+    symbol,
+    timestamp: new Date('2024-01-01T12:00:00Z'),
+    open: 150.00,
+    high: 152.00,
+    low: 149.50,
+    close: 151.50,
+    volume: 1000000,
+    source: 'test',
+    ...overrides
+  }),
+
+  /**
+   * Generate test trade data
+   */
+  generateTestTrade: (symbol: string = 'AAPL', overrides: any = {}) => ({
+    symbol,
+    timestamp: new Date('2024-01-01T12:00:00Z'),
+    price: 151.50,
+    quantity: 100,
+    side: 'buy',
+    trade_id: 'test_trade_1',
+    source: 'test',
+    ...overrides
+  }),
+
+  /**
+   * Generate test quote data
+   */
+  generateTestQuote: (symbol: string = 'AAPL', overrides: any = {}) => ({
+    symbol,
+    timestamp: new Date('2024-01-01T12:00:00Z'),
+    bid_price: 151.49,
+    ask_price: 151.51,
+    bid_size: 100,
+    ask_size: 200,
+    source: 'test',
+    ...overrides
+  }),
+
+  /**
+   * Create a mock logger
+   */
+  mockLogger: () => ({
+    info: jest.fn(),
+    error: jest.fn(),
+    warn: jest.fn(),
+    debug: jest.fn(),
+    trace: jest.fn()
+  }),
+
+  /**
+   * Restore original console methods
+   */
+  restoreConsole: () => {
+    global.console = originalConsole;
+  }
+};
+
+// Environment setup for tests
+process.env.NODE_ENV = 'test';
+process.env.LOG_LEVEL = 'error';
+
+// Set default test environment variables
+process.env.QUESTDB_HOST = process.env.QUESTDB_HOST || 'localhost';
+process.env.QUESTDB_HTTP_PORT = process.env.QUESTDB_HTTP_PORT || '9000';
+process.env.QUESTDB_PG_PORT = process.env.QUESTDB_PG_PORT || '8812';
+process.env.QUESTDB_INFLUX_PORT = process.env.QUESTDB_INFLUX_PORT || '9009';
+
+process.env.POSTGRES_HOST = process.env.POSTGRES_HOST || 'localhost';
+process.env.POSTGRES_PORT = process.env.POSTGRES_PORT || '5432';
+process.env.POSTGRES_DB = process.env.POSTGRES_DB || 'trading_bot_test';
+process.env.POSTGRES_USER = process.env.POSTGRES_USER || 'trading_admin';
+process.env.POSTGRES_PASSWORD = process.env.POSTGRES_PASSWORD || 'trading_pass_test';
+
+process.env.MONGODB_HOST = process.env.MONGODB_HOST || 'localhost';
+process.env.MONGODB_PORT = process.env.MONGODB_PORT || '27017';
+process.env.MONGODB_DATABASE = process.env.MONGODB_DATABASE || 'trading_bot_test';
+process.env.MONGODB_USERNAME = process.env.MONGODB_USERNAME || 'trading_admin';
+process.env.MONGODB_PASSWORD = process.env.MONGODB_PASSWORD || 'trading_mongo_test';
+
+// Mock Date.now() for consistent test results
+const mockNow = new Date('2024-01-01T12:00:00Z').getTime();
+jest.spyOn(Date, 'now').mockReturnValue(mockNow);
+
+// Global test cleanup
+beforeEach(() => {
+  // Clear all mocks before each test
+  jest.clearAllMocks();
+});
+
+afterEach(() => {
+  // Reset any module mocks after each test
+  jest.resetModules();
+});
+
+// Handle unhandled promise rejections in tests
+process.on('unhandledRejection', (reason, promise) => {
+  console.error('Unhandled Rejection at:', promise, 'reason:', reason);
+  throw reason;
+});
+
+// Handle uncaught exceptions in tests
+process.on('uncaughtException', (error) => {
+  console.error('Uncaught Exception:', error);
+  throw error;
+});