Jest can be run in several ways:
npm test or jestjest --watch (watches for file changes)jest --watchAll (watches all files)jest --coverage (generates coverage report)jest mytest.test.jsjest --testNamePattern="should add"jest --verboseCommon package.json scripts:
{
"scripts": {
"test": "jest",
"test:watch": "jest --watch",
"test:coverage": "jest --coverage",
"test:debug": "jest --verbose"
}
}