@react-lib-tech/universal-test-cases-gen

🚀 A universal test case generator for Node.js, React, Angular, Vue, and NestJS.
Supports Jest, Mocha, and Vitest.
Works as both a CLI tool and a library.

👉 Download README.md

✨ Features

• 🔎 Automatically scans project folders
• 🧪 Generates test stubs for:
  • Node.js functions & classes
  • React components
  • Angular / Vue / NestJS files
• 📦 Supports:
  • Jest
  • Mocha + Chai
  • Vitest
• 📂 Creates .test.ts files inside __tests__/ (or custom folder)
• 📊 Optional JSON output report
• ⚡ Zero configuration required for most projects

📦 Installation

Install Globally (CLI Usage)

npm install -g @react-lib-tech/universal-test-cases-gen

Install as Dev Dependency (Library Usage)

npm install --save-dev @react-lib-tech/universal-test-cases-gen

🚀 CLI Usage

universal-test-cases-gen \
  --root ./src \
  --framework react \
  --testFramework jest \
  --output __tests__ \
  --reportJson

Available Options

| Flag | Description | Default | |------|-------------|---------| | --root | Root folder to scan | ./src | | --framework | node / react / angular / vue / nestjs | node | | --testFramework | jest / mocha / vitest | jest | | --output | Where test files are written | __tests__ | | --reportJson | Return a JSON report | false |

📖 Library Usage (Node.js / TypeScript)

Use generateTests() inside your app, script, or build pipeline.

import {
  generateTests,
  type TestGenConfig,
  type GeneratedTestReport
} from "@react-lib-tech/universal-test-cases-gen";

const config: TestGenConfig = {
  rootFolder: "./src",
  framework: "react",
  testFramework: "jest",
  output: "__tests__",
  reportJson: true
};

(async () => {
  const report: GeneratedTestReport[] = await generateTests(config);
  console.log("📑 Generated Test Report:", report);
})();

📊 Example Output JSON

[
  {
    "file": "src/components/Button.tsx",
    "exports": ["Button"],
    "testFile": "__tests__/Button.test.ts"
  },
  {
    "file": "src/utils/math.ts",
    "exports": ["add", "subtract"],
    "testFile": "__tests__/math.test.ts"
  }
]

📜 License

MIT © 2025 – @react-lib-tech