$ yarn installto compile your smart contract to get an ABI and artifact of a smart contract.
$ yarn compileFor a unit testing smart contract using the command line.
$ yarn test:guessnumber Expecting guess-number.js result.
$ npx hardhat test test/guess-number.test.js GuessTheNumber ✔ Guess should be failed 1) Guess should be success ✔ getValue initialized contract balance ✔ getValue after someone guess the number 3 passing (247ms) 1 failing 1) GuessTheNumber Guess should be success: AssertionError: Expected event "success" to be emitted, but it wasn't error Command failed with exit code 1. info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command. After testing if you want to deploy the contract using the command line.
$ yarn rpc $ yarn exploit