Ethereum Programming 11 decentragram 1

//cmd

truffle migrate --reset

truffle test

Contract: Decentragram

    deployment

      √ deploys successfully

      √ has a name (203ms)

  2 passing (291ms)

--------------------------------

//migrations/2_deploy_contracts.js

const Decentragram = artifacts.require("Decentragram");

module.exports = function (deployer) {

  deployer.deploy(Decentragram);

};

---------------------------

//src/contracs/Decentragram.sol

pragma solidity ^0.5.0;

contract Decentragram {

  // Code goes here...

  string public name = "Decentragram";

}

----------------------

//test/test.js

const Decentragram = artifacts.require('./Decentragram.sol')

require('chai')

  .use(require('chai-as-promised'))

  .should()

contract('Decentragram', ([deployer, author, tipper]) => {

  let decentragram

  before(async () => {

    decentragram = await Decentragram.deployed()

  })

  describe('deployment', async () => {

    it('deploys successfully', async () => {

      const address = await decentragram.address

      assert.notEqual(address, 0x0)

      assert.notEqual(address, '')

      assert.notEqual(address, null)

      assert.notEqual(address, undefined)

    })

    it('has a name', async () => {

      const name = await decentragram.name()

      assert.equal(name, 'Decentragram')

    })

  })

})

reference:

https://www.youtube.com/watch?v=XLahq4qyors