const expectEvent = require('../helpers/expectEvent'); const { ethGetBalance } = require('../helpers/web3'); const BigNumber = web3.BigNumber; require('chai') .use(require('chai-bignumber')(BigNumber)) .should(); function shouldBehaveLikeMintedCrowdsale ([_, investor, wallet, purchaser], rate, value) { const expectedTokenAmount = rate.mul(value); describe('as a minted crowdsale', function () { describe('accepting payments', function () { it('should accept payments', async function () { await this.crowdsale.send(value); await this.crowdsale.buyTokens(investor, { value: value, from: purchaser }); }); }); describe('high-level purchase', function () { it('should log purchase', async function () { const { logs } = await this.crowdsale.sendTransaction({ value: value, from: investor }); expectEvent.inLogs(logs, 'TokensPurchased', { purchaser: investor, beneficiary: investor, value: value, amount: expectedTokenAmount, }); }); it('should assign tokens to sender', async function () { await this.crowdsale.sendTransaction({ value: value, from: investor }); (await this.token.balanceOf(investor)).should.be.bignumber.equal(expectedTokenAmount); }); it('should forward funds to wallet', async function () { const pre = await ethGetBalance(wallet); await this.crowdsale.sendTransaction({ value, from: investor }); const post = await ethGetBalance(wallet); post.minus(pre).should.be.bignumber.equal(value); }); }); }); } module.exports = { shouldBehaveLikeMintedCrowdsale, };