How to Setup Foundry and Write a Basic Unit Test

Setup Foundry

Using an existing Hedera node project with the JavaScript SDK, learn how to set up Foundry to be able to leverage Forge, their command-line tool, to run your smart contract tests written in Solidity.

What you will accomplish

• ✅ Configure Foundry and Forge with a Hedera Project
• ✅ Write unit tests in Solidity
• ✅ Run your tests using Foundry forge command
• ✅ Create a Forge Gas Report

Prerequisites

Before you begin, you should be familiar with the following:

• JavaScript
• Solidity
• Foundry

Have the following set up on your computer:

• git installed
  • Minimum version: 2.37
  • Recommended: Install Git (Github)
• A code editor or IDE
  • Recommended: VS Code. Install VS Code (Visual Studio)
• NodeJs + npm installed
  • Minimum version of NodeJs: 18
  • Minimum version of npm: 9.5
  • Recommended for Linux & Mac: nvm
  • Recommended for Windows: nvm-windows

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Get started

The repo, github.com/hedera-dev/setup-foundry-and-write-basic-unit-test, is intended to be used alongside this tutorial