jest.config.json

{
  "testEnvironment": "node",
  "testMatch": [
    "**/tests/**/*.test.js"
  ],
  "coverageDirectory": "coverage",
  "collectCoverageFrom": [
    "routes/**/*.js",
    "middleware/**/*.js",
    "models/**/*.js",
    "utils/**/*.js",
    "!**/node_modules/**",
    "!**/tests/**"
  ],
  "coverageThreshold": {
    "global": {
      "branches": 70,
      "functions": 70,
      "lines": 70,
      "statements": 70
    }
  },
  "testTimeout": 30000,
  "setupFilesAfterEnv": ["<rootDir>/tests/setup.js"]
}