jest.config.js

module.exports = {

  // Automatically clear mock calls and instances between every test
  clearMocks: true,

  // Indicates whether the coverage information should be collected while executing the test
  collectCoverage: true,

  // The directory where Jest should output its coverage files
  coverageDirectory: "<rootDir>//reports//coverage",

  // A list of reporter names that Jest uses when writing coverage reports
  coverageReporters: [
    "text",
    "lcov",
    "html"
  ],

  // The root directory that Jest should scan for tests and modules within
  rootDir: ".",
  roots: [
    "<rootDir>/src"
  ],

  // The test environment that will be used for testing
  testEnvironment: "node",

  // The glob patterns Jest uses to detect test files
  testMatch: [
    "**/*.spec.js"
  ],

  // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
  testPathIgnorePatterns: [
    "/node_modules/"
  ],

  // An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
  // watchPathIgnorePatterns: [],

  // Whether to use watchman for file crawling
  // watchman: true,
}