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Created December 14, 2023 16:37
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Pasos para configurar Jest con TypeScript, en Node
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pasos-node-ts-jest.md

Pasos para configurar Jest con TypeScript, en Node

Documentación oficial sobre Jest

  1. Instalaciones de desarrollo (super test es útil para probar Express)
npm install -D jest @types/jest ts-jest supertest
  1. Crear archivo de configuración de Jest
npx jest --init
  1. En el archivo jest.config.js configurar
preset: 'ts-jest',
testEnvironment: "jest-environment-node",

// Opcional - The paths to modules that run some code to configure or set up the testing environment before each test
// setupFiles: ['dotenv/config'],
  1. Crear scripts en el package.json
"test": "jest",
"test:watch": "jest --watch",
"test:coverage": "jest --coverage",
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