travel-planner-fullstack/jest.config.js at main · codewithmayor/travel-planner-fullstack · GitHub

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module.exports = {
  // Test environment
  testEnvironment: 'node',

  // File extensions to look for
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],

  // Transform files with ts-jest
  transform: {
    '^.+\\.(ts|tsx)$': 'ts-jest',
  },

  // Test file patterns - only backend tests
  testMatch: [
    '**/src/**/__tests__/**/*.(ts|tsx|js)',
    '**/src/**/*.(test|spec).(ts|tsx|js)',
  ],

  // Coverage configuration - only backend files
  collectCoverageFrom: [
    'src/**/*.{ts,tsx}',
    '!src/**/*.d.ts',
    '!src/test/**',
    '!**/node_modules/**',
    '!frontend/**',
  ],

  // Coverage thresholds
  coverageThreshold: {
    global: {
      branches: 70,
      functions: 70,
      lines: 70,
      statements: 70,
    },
  },

  // Coverage reporters
  coverageReporters: ['text', 'lcov', 'html'],

  // Setup files
  setupFilesAfterEnv: ['<rootDir>/src/test/setup.ts'],

  // Module name mapping
  moduleNameMapper: {
    '^@/(.*)$': '<rootDir>/src/$1',
  },

  // Test timeout
  testTimeout: 10000,

  // Clear mocks between tests
  clearMocks: true,

  // Restore mocks between tests
  restoreMocks: true,

  // Verbose output
  verbose: true,

  // Force exit after tests
  forceExit: true,

  // Detect open handles
  detectOpenHandles: true,

  // Test path ignore patterns
  testPathIgnorePatterns: [
    '/node_modules/',
    '/frontend/',
  ],

  // Transform ignore patterns - exclude node-fetch from transformation
  transformIgnorePatterns: [
    'node_modules/(?!(zod|@apollo|graphql)/)',
  ],

  // Module file extensions
  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],
};