LeetBud 🤖🧠

An AI-Powered LeetCode Buddy for Smart Code Testing

LeetBud is your intelligent assistant for LeetCode-style coding. It’s an AI-driven single-page application (SPA) that helps you parse, test, and auto-generate test cases for your solutions in Python and C++. Built with React (TypeScript), FastAPI, and powered by Groq's Generative AI, LeetBud takes the manual work out of debugging and testing your code.

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🌟 Key Features

🧠 AI-Powered Test Case Generation

• Generate 5 intelligent test cases at a time using Groq:

  • Includes boundary conditions and edge cases
  • Saves time and ensures deeper testing coverage

• Works with both Python and C++ code

🧩 Smart Code Understanding

• Parses your Solution class and identifies the last function
• Automatically extracts input parameters for test case setup

🧪 Custom Test Case Management

• Add and edit test cases easily:

  • Rename (default: New TestCase)
  • Customize inputs and expected outputs

• Add as many test cases as needed

⚙️ One-Click Execution

• Backend adds necessary headers and wraps your code in a main function
• Automatically runs all test cases and displays results
• Consistent handling for both supported languages

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⚒ Tech Stack

• Frontend: React + TypeScript
• Backend: FastAPI (Python)
• AI Integration: Groq (Generative Test Case Logic)
• Languages Supported: Python & C++

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🚀 How It Works

1. Paste Your Code: A valid LeetCode-style Solution class.
2. AI Parses It: The last method is detected, and parameters are extracted.
3. Add Test Cases: Manually or with AI-generated cases via Groq.
4. Click "Run": Backend wraps your code with boilerplate and runs the tests.

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🛠 Local Setup

1. Clone the Repository

git clone https://github.com/DebdipWritesCode/LeetBud.git
cd LeetBud

2. Frontend Setup

cd frontend
npm install
npm run dev

3. Backend Setup

cd ../backend
python -m venv venv
# Windows
venv\Scripts\activate
# macOS/Linux
source venv/bin/activate

pip install -r requirements.txt
uvicorn app:app --reload

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🔐 Environment Variables

Backend .env (place in /backend/ folder)

JDOODLE_CLIENT_ID=your_jdoodle_client_id
JDOODLE_CLIENT_SECRET=your_jdoodle_client_secret
GROQ_API_KEY=your_groq_api_key

Frontend .env (place in /frontend/ folder)

VITE_BACKEND_URL=http://localhost:8000

⚠️ Make sure your .env files are not committed to version control.

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📢 Contributing

We welcome contributions! You can:

• Add support for more languages
• Improve UI/UX
• Enhance Groq prompt engineering for even better test cases

Fork, branch, and submit a PR — we’d love your help.

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📄 License

MIT