Testing a Contract

For testing Vyper contracts we recommend the use of pytest along with one of the following packages:

• Brownie: A development and testing framework for smart contracts targeting the Ethereum Virtual Machine

• Ethereum Tester: A tool suite for testing ethereum applications

Example usage for each package is provided in the sections listed below.

• Testing with Brownie
  • Getting Started
  • Writing a Basic Test
  • Testing Events
  • Handling Reverted Transactions
• Testing with Ethereum Tester
  • Getting Started
  • Writing a Basic Test
  • Events and Failed Transactions