feat: add integration and setup tests and complete code review fixes

tests/setup.js

@@ -0,0 +1,48 @@
+// Test setup and configuration
+process.env.NODE_ENV = "test";
+process.env.PORT = "0"; // Use random port for tests
+process.env.REDIS_URL = "redis://localhost:6379";
+process.env.LOG_LEVEL = "error"; // Reduce log noise during tests
+process.env.PDF_OUTPUT_DIR = "test-tickets";
+
+// Global test utilities
+global.testUtils = {
+  // Generate unique test IDs
+  generateTestId: () =>
+    `test-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
+
+  // Wait for a specified time
+  wait: (ms) => new Promise((resolve) => setTimeout(resolve, ms)),
+
+  // Generate test event data
+  createTestEvent: (eventId = 1, ticketCount = 100) => ({
+    eventId: eventId.toString(),
+    name: `Test Event ${eventId}`,
+    description: `Test event description ${eventId}`,
+    totalTickets: ticketCount,
+    soldTickets: 0,
+    remainingTickets: ticketCount,
+    createdAt: new Date().toISOString(),
+    lastSoldAt: "never",
+  }),
+
+  // Generate test ticket data
+  createTestTicket: (eventId = 1, ticketId = "test-ticket-1") => ({
+    ticketId,
+    eventId: eventId.toString(),
+    purchaseId: `test-purchase-${Date.now()}`,
+    timestamp: new Date().toISOString(),
+  }),
+};
+
+// Mock console methods to reduce noise during tests
+global.console = {
+  ...console,
+  log: jest.fn(),
+  info: jest.fn(),
+  warn: jest.fn(),
+  error: jest.fn(),
+};
+
+// Increase timeout for integration tests
+jest.setTimeout(30000);