TestCaseGenAI

TestCaseGenAI is a full-fledged web application that helps you generate AI-powered test cases, browse your GitHub repositories, and create pull requests—all in one place.

Features

• GitHub OAuth Login: Securely log in with your GitHub account.
• Repository Browser: View and select your repositories.
• File Selection: Choose files from your repo for test generation.
• AI Test Case Generation: Generate test case summaries and code using AI.
• Pull Request Creation: Seamlessly create PRs with generated tests.
• Logout: Securely log out and clear your session.

Project Structure

TestCaseGenerator/
├── backend/
│   ├── __init__.py
│   ├── config.py
│   └── main.py
├── frontend/
│   ├── index.html
│   ├── package.json
│   ├── vite.config.js
│   ├── src/
│   │   ├── App.jsx
│   │   ├── main.jsx
│   │   ├── index.css
│   │   └── components/
│   │       ├── Dashboard.jsx
│   │       ├── Home.jsx
│   │       └── ProtectedRoute.jsx
│   │   └── config/
│   │       └── config.js
└── README.md

Getting Started

Prerequisites

• Node.js & npm
• Python 3.10+

Backend Setup

1. Navigate to the backend folder:

cd backend

2. Install dependencies (if any, e.g. FastAPI, Uvicorn):

pip install fastapi uvicorn

or

pip install -r requirements.txt

3. Start the backend server:

uvicorn main:app --reload

Frontend Setup

1. Navigate to the frontend folder:

cd frontend

2. Install dependencies:

npm install

3. Start the frontend dev server:

npm run dev

Usage

1. Open your browser and go to http://localhost:5173 (or the port shown in your terminal).
2. Log in with GitHub.
3. Select a repository and files, generate test cases, and create PRs.

Technologies Used

• React (Vite)
• FastAPI (Python)
• GitHub OAuth
• Tailwind CSS (for UI)

API Endpoints

All endpoints are served from the backend FastAPI server (default: http://localhost:8000).

GET /auth/github/callback

Description: GitHub OAuth callback. Exchanges code for access token and redirects to the frontend dashboard with the token in the URL.

• Query Parameters:
• code (string, required): GitHub OAuth code
• Returns: Redirects to /dashboard?token=... on the frontend.

GET /repos/{repo}/files

Description: List all code files in the specified repository.

• Path Parameters:
• repo (string, required): Repository name
• Headers:
• Authorization: Bearer <token>
• Returns: 200 OK with a JSON array of file paths

POST /genai/generate-summary

Description: Generate test case summaries for multiple files using Gemini AI.

• Headers:
• Authorization: Bearer <token>
• Body:

{
    "repo": "<repo_name>",
    "files": ["file1.py", "file2.js", ...]
}

• Returns: 200 OK with summaries for each file

POST /genai/generate-tests

Description: Generate unit test code for a specific file using Gemini AI.

• Headers:
• Authorization: Bearer <token>
• Body:

{
    "repo": "<repo_name>",
    "file_path": "<file_path>"
}

• Returns: 200 OK with generated test code and detected language/framework

POST /repos/create-pr (yet to be implemented fully)

Description: Create a new branch, commit a test file, and open a pull request on GitHub.

• Headers:
• Authorization: Bearer <token>
• Body:

{
    "repo": "<repo_name>",
    "branch": "<new_branch_name>",
    "test_file_path": "<path/to/test_file>",
    "test_content": "<test file content>",
    "commit_message": "<commit message>" // optional
}

• Returns: 200 OK with the created PR details

License

MIT