NoBey/openzeppelin-contracts
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add complex crowdsale example #331 tests

Browse Source
This commit is contained in:
Jakub Wojciechowski
2017-07-29 00:29:59 +01:00
parent 2403508e1b
commit 04e0b2e5c2
1 changed files with 95 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

95
test/SampleCrowdsale.js Normal file
View File

@ -0,0 +1,95 @@
import ether from './helpers/ether'
import advanceToBlock from './helpers/advanceToBlock'
import EVMThrow from './helpers/EVMThrow'
const BigNumber = web3.BigNumber;
const should = require('chai')
.use(require('chai-as-promised'))
.use(require('chai-bignumber')(BigNumber))
.should();
const SampleCrowdsale = artifacts.require('SampleCrowdsale');
const SampleCrowdsaleToken = artifacts.require('SampleCrowdsaleToken');
contract('Crowdsale', function ([owner, wallet, investor]) {
const RATE = new BigNumber(10);
const GOAL = ether(10);
const CAP = ether(20);
beforeEach(async function () {
this.startBlock = web3.eth.blockNumber + 10;
this.endBlock = web3.eth.blockNumber + 20;
this.crowdsale = await SampleCrowdsale.new(this.startBlock, this.endBlock, RATE, GOAL, CAP, wallet);
this.token = SampleCrowdsaleToken.at(await this.crowdsale.token());
});
it('should create crowdsale with correct parameters', async function () {
this.crowdsale.should.exist;
this.token.should.exist;
(await this.crowdsale.startBlock()).should.be.bignumber.equal(this.startBlock);
(await this.crowdsale.endBlock()).should.be.bignumber.equal(this.endBlock);
(await this.crowdsale.rate()).should.be.bignumber.equal(RATE);
(await this.crowdsale.wallet()).should.be.bignumber.equal(wallet);
(await this.crowdsale.goal()).should.be.bignumber.equal(GOAL);
(await this.crowdsale.cap()).should.be.bignumber.equal(CAP);
});
it('should not accept payments before start', async function () {
await this.crowdsale.send(ether(1)).should.be.rejectedWith(EVMThrow);
await this.crowdsale.buyTokens(investor, {from: investor, value: ether(1)}).should.be.rejectedWith(EVMThrow);
});
it('should accept payments during the sale', async function () {
const investmentAmount = ether(1);
const expectedTokenAmount = RATE.mul(investmentAmount);
await advanceToBlock(this.startBlock - 1);
await this.crowdsale.buyTokens(investor, {value: investmentAmount, from: investor}).should.be.fulfilled;
(await this.token.balanceOf(investor)).should.be.bignumber.equal(expectedTokenAmount);
(await this.token.totalSupply()).should.be.bignumber.equal(expectedTokenAmount);
});
it('should reject payments after end', async function () {
await advanceToBlock(this.endBlock);
await this.crowdsale.send(ether(1)).should.be.rejectedWith(EVMThrow);
await this.crowdsale.buyTokens(investor, {value: ether(1), from: investor}).should.be.rejectedWith(EVMThrow);
});
it('should reject payments over cap', async function () {
await advanceToBlock(this.startBlock - 1);
await this.crowdsale.send(CAP);
await this.crowdsale.send(1).should.be.rejectedWith(EVMThrow);
});
it('should allow finalization and transfer funds to wallet if the goal is reached', async function () {
await advanceToBlock(this.endBlock - 1);
await this.crowdsale.send(GOAL);
const beforeFinalization = web3.eth.getBalance(wallet);
await this.crowdsale.finalize({from: owner});
const afterFinalization = web3.eth.getBalance(wallet);
afterFinalization.minus(beforeFinalization).should.be.bignumber.equal(GOAL);
});
it('should allow refunds if the goal is not reached', async function () {
const balanceBeforeInvestment = web3.eth.getBalance(investor);
await advanceToBlock(this.startBlock - 1);
await this.crowdsale.sendTransaction({value: ether(1), from: investor, gasPrice: 0});
await advanceToBlock(this.endBlock);
await this.crowdsale.finalize({from: owner});
await this.crowdsale.claimRefund({from: investor, gasPrice: 0}).should.be.fulfilled;
const balanceAfterRefund = web3.eth.getBalance(investor);
balanceBeforeInvestment.should.be.bignumber.equal(balanceAfterRefund);
});
});