const { assertRevert } = require('../../helpers/assertRevert'); const BigNumber = web3.BigNumber; require('chai') .use(require('chai-bignumber')(BigNumber)) .should(); function shouldBehaveLikeMintableToken (owner, minter, [anyone]) { describe('as a basic mintable token', function () { describe('after token creation', function () { it('sender should be token owner', async function () { const tokenOwner = await this.token.owner({ from: owner }); tokenOwner.should.eq(owner); }); }); describe('minting finished', function () { describe('when the token minting is not finished', function () { it('returns false', async function () { const mintingFinished = await this.token.mintingFinished(); mintingFinished.should.be.false; }); }); describe('when the token is minting finished', function () { beforeEach(async function () { await this.token.finishMinting({ from: owner }); }); it('returns true', async function () { const mintingFinished = await this.token.mintingFinished(); mintingFinished.should.be.true; }); }); }); describe('finish minting', function () { describe('when the sender is the token owner', function () { const from = owner; describe('when the token minting was not finished', function () { it('finishes token minting', async function () { await this.token.finishMinting({ from }); const mintingFinished = await this.token.mintingFinished(); mintingFinished.should.be.true; }); it('emits a mint finished event', async function () { const { logs } = await this.token.finishMinting({ from }); logs.length.should.be.equal(1); logs[0].event.should.eq('MintFinished'); }); }); describe('when the token minting was already finished', function () { beforeEach(async function () { await this.token.finishMinting({ from }); }); it('reverts', async function () { await assertRevert(this.token.finishMinting({ from })); }); }); }); describe('when the sender is not the token owner', function () { const from = anyone; describe('when the token minting was not finished', function () { it('reverts', async function () { await assertRevert(this.token.finishMinting({ from })); }); }); describe('when the token minting was already finished', function () { beforeEach(async function () { await this.token.finishMinting({ from: owner }); }); it('reverts', async function () { await assertRevert(this.token.finishMinting({ from })); }); }); }); }); describe('mint', function () { const amount = 100; describe('when the sender has the minting permission', function () { const from = minter; describe('when the token minting is not finished', function () { it('mints the requested amount', async function () { await this.token.mint(owner, amount, { from }); const balance = await this.token.balanceOf(owner); balance.should.be.bignumber.equal(amount); }); it('emits a mint and a transfer event', async function () { const { logs } = await this.token.mint(owner, amount, { from }); logs.length.should.eq(2); logs[0].event.should.eq('Mint'); logs[0].args.to.should.eq(owner); logs[0].args.amount.should.be.bignumber.equal(amount); logs[1].event.should.eq('Transfer'); }); }); describe('when the token minting is finished', function () { beforeEach(async function () { await this.token.finishMinting({ from: owner }); }); it('reverts', async function () { await assertRevert(this.token.mint(owner, amount, { from })); }); }); }); describe('when the sender has not the minting permission', function () { const from = anyone; describe('when the token minting is not finished', function () { it('reverts', async function () { await assertRevert(this.token.mint(owner, amount, { from })); }); }); describe('when the token minting is already finished', function () { beforeEach(async function () { await this.token.finishMinting({ from: owner }); }); it('reverts', async function () { await assertRevert(this.token.mint(owner, amount, { from })); }); }); }); }); }); } module.exports = { shouldBehaveLikeMintableToken, };