Contract Test Template Scaffolder

WHAT IT DOES

Contract Test Template Scaffolder is a developer-focused tool that generates test template files for Solidity contracts from their ABIs. It takes a contract name, ABI, and selected test framework (Hardhat, Foundry, or Truffle) from the user, then parses the ABI to extract function signatures, constructor definitions, and events. The tool generates a complete test file template with boilerplate setup code, contract deployment, and placeholder test cases for each function. The templates include framework-specific syntax and best practices: Hardhat templates use ethers.js and Chai, Foundry templates use Solidity test contracts with forge-std, and Truffle templates use artifacts and Mocha. This enables developers to quickly create structured test suites without manually writing repetitive boilerplate code.

HOW TO USE

Enter the contract name. Paste the contract ABI (JSON format) into the input area. Select the test framework from the dropdown (Hardhat, Foundry, or Truffle). Click "Generate test scaffold" to create the template. The tool will display a summary showing the filename and the number of functions and events detected. The generated test template is displayed in a scrollable output area with copy and download buttons. The template includes test structure, contract deployment setup, and placeholder test cases for each function with TODO comments indicating where to add assertions.

TECHNICAL NOTE: ABI PARSING AND FRAMEWORK-SPECIFIC GENERATION

The tool parses the ABI to identify function definitions, constructor, and events. For each function, it extracts the name, input parameters (with names and types), and output types. The tool then generates framework-specific test templates: Hardhat templates use `describe/it` blocks with ethers.js contract deployment, Foundry templates use Solidity test contracts with `setUp` and `test_` functions, and Truffle templates use Mocha `contract` blocks with artifacts. The generator includes parameter placeholders and comment annotations for each function, making it easy for developers to fill in the actual test logic. The tool also handles constructor detection to properly pass deployment parameters when available.

WHAT IT CANNOT SEE

The tool cannot generate test templates without contract source code or ABI. It is limited to the accuracy of the provided ABI; incomplete or incorrect ABIs will produce incomplete templates. It cannot handle complex contract interactions with external contracts in the generated templates. The tool is limited to the test frameworks supported by the generator (Hardhat, Foundry, Truffle). It cannot automatically generate assertions for all edge cases; the templates are starting points that require manual completion. It cannot test contracts on non-EVM chains.

PLEASE NOTE

This tool is designed exclusively for Solidity contracts on EVM-compatible chains. It does not support other smart contract languages. The generated templates are scaffolding and require completion with actual test logic and assertions. The tool is read-only and does not execute tests. Always review and customize the generated templates for your specific contract logic. The tool provides no warranty that the generated templates are complete or accurate; users are responsible for writing and testing their contract tests.