jest.setup.ts

import '@testing-library/jest-dom';
import { TextEncoder, TextDecoder } from 'util';

/**
 * Suppress console output during tests for cleaner test output.
 * Only error and fatal logs are shown to catch actual errors.
 */
global.console = {
  ...console,
  log: jest.fn(),
  info: jest.fn(),
  warn: jest.fn(),
  debug: jest.fn(),
  trace: jest.fn(),
};

/**
 * Mock the timezone module to avoid calling cookies() outside request scope.
 * Returns UTC (offset=0) by default. Tests can override using jest.mocked().
 */
jest.mock('@/lib/timezone', () => ({
  TIMEZONE_COOKIE_NAME: 'oar-tz-offset',
  DEFAULT_TIMEZONE_OFFSET_HOURS: 0,
  getUserTimezoneOffset: jest.fn().mockResolvedValue(0),
}));

/**
 * Mock ResizeObserver for Radix UI components and other UI libraries.
 */
global.ResizeObserver = class ResizeObserver {
  observe() {}
  unobserve() {}
  disconnect() {}
};

/**
 * Mock PointerEvent for Radix UI components (required for many interactions).
 */
if (!global.PointerEvent) {
  (global as unknown as Record<string, unknown>).PointerEvent = class PointerEvent extends Event {
    constructor(type: string, params: Record<string, unknown> = {}) {
      super(type, params);
    }
  };
}

/**
 * Mock TextEncoder/TextDecoder for Next.js server components.
 */
global.TextEncoder = TextEncoder;
global.TextDecoder = TextDecoder;