jest.config.js

/**
 * written by: Team QuickPay
 * tested by: Team QuickPay
 * debugged by: Team QuickPay
 * Notes: Contributions were shared, see GitHub history for commit details.
 * Unit Tests for UserSyncService
 */
/**
 * Jest Configuration for QuickPay Mobile App
 *
 * This configuration sets up Jest testing framework for React Native
 * with TypeScript support.
 */

module.exports = {
  // Use ts-jest preset for TypeScript support
  preset: 'react-native',

  // Transform TypeScript files
  transform: {
    '^.+\\.tsx?$': ['ts-jest', {
      tsconfig: {
        jsx: 'react',
      },
    }],
  },

  // File extensions to consider
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx'],

  // Setup files to run before tests
  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],

  // Module name mapper for path aliases
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/$1',
  },

  // Test match patterns
  testMatch: [
    '**/__tests__/**/*.test.[jt]s?(x)',
    '**/?(*.)+(spec|test).[jt]s?(x)',
  ],

  // Coverage configuration
  collectCoverageFrom: [
    'services/**/*.{ts,tsx}',
    'models/**/*.{ts,tsx}',
    'components/**/*.{ts,tsx}',
    'app/**/*.{ts,tsx}',
    '!**/*.d.ts',
    '!**/node_modules/**',
  ],

  // Test environment
  testEnvironment: 'node',

  // Ignore patterns
  testPathIgnorePatterns: [
    '/node_modules/',
    '/android/',
    '/ios/',
  ],

  // Transform ignore patterns for node_modules
  transformIgnorePatterns: [
    'node_modules/(?!(react-native|@react-native|expo|@expo|@clerk|@supabase|react-native-url-polyfill)/)',
  ],
};