jest.config.js

/** @type {import('jest').Config} */
export default {
  preset: 'ts-jest/presets/default-esm',
  testEnvironment: 'node',
  extensionsToTreatAsEsm: ['.ts'],
  moduleNameMapper: {
    '^(\\.{1,2}/.*)\\.js$': '$1',
    '^@kubernetes/client-node$': '<rootDir>/tests/__mocks__/@kubernetes/client-node.ts'
  },
  transform: {
    '^.+\\.tsx?$': [
      'ts-jest',
      {
        useESM: true,
      },
    ],
  },
  transformIgnorePatterns: [
    'node_modules/(?!(@kubernetes/client-node)/)'
  ],
  roots: ['<rootDir>/src', '<rootDir>/tests'],
  testMatch: ['**/__tests__/**/*.ts', '**/?(*.)+(spec|test).ts'],
  collectCoverageFrom: [
    'src/**/*.ts',
    '!src/**/*.d.ts',
    '!src/**/index.ts',
  ],
  coverageDirectory: 'coverage',
  coverageReporters: ['text', 'lcov', 'html'],
  // Improve test cleanup and prevent hanging processes
  detectOpenHandles: true,
  forceExit: true,
  // Set timeouts to prevent hanging tests
  testTimeout: 10000,
  // Clear mocks between tests
  clearMocks: true,
  restoreMocks: true,
};