ETHTrust uses Waffle to compile and test smart contracts. Waffle is a library for writing and testing smart contracts.
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Install waffle
yarn add --dev ethereum-waffle -
Compile the contract
yarn build -
Tests in waffle are written using Mocha alongside with Chai. You can use a different test environment, but Waffle matchers only work with chai. Run:
yarn add --dev mocha chai -
Run your Tests:
yarn test