CinnamonGrrrl

function testDonatingAfterTimeIsUp() public {
  Funding funding = new Funding(0);
  bool result = funding.call.value(10 finney)(bytes4(keccak256("donate()")));
  Assert.equal(result, false);
}

CinnamonGrrrl

FundingTest
    ✓ testSettingAnOwnerDuringCreation (64ms)
    ✓ testSettingAnOwnerOfDeployedContract (57ms)
    ✓ testAcceptingDonations (78ms)
    ✓ testTrackingDonatorsBalance (54ms)

  Contract: Funding
    ✓ sets an owner
    ✓ accepts donations (60ms)
    ✓ keeps track of donator balance (89ms)

CinnamonGrrrl

FundingTest
    ✓ testSettingAnOwnerDuringCreation (64ms)
    ✓ testSettingAnOwnerOfDeployedContract (57ms)
    ✓ testAcceptingDonations (78ms)
    ✓ testTrackingDonatorsBalance (54ms)

  Contract: Funding
    ✓ sets an owner
    ✓ accepts donations (60ms)
    ✓ keeps track of donator balance (89ms)

CinnamonGrrrl

// contracts/Funding.sol
pragma solidity ^0.4.17;

contract Funding {
  uint public raised;
  uint public finishesAt;
  address public owner;
  mapping(address => uint) public balances;

  function Funding(uint _duration) public {

CinnamonGrrrl

const { increaseTime } = require("./utils");

const DAY = 3600 * 24;

contract("Funding", accounts => {
  [...]
  
  let funding;

  beforeEach(async () => {

CinnamonGrrrl

// source: https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/test/helpers/increaseTime.js
module.exports.increaseTime = function increaseTime(duration) {
  const id = Date.now();

  return new Promise((resolve, reject) => {
    web3.currentProvider.sendAsync(
      {
        jsonrpc: "2.0",
        method: "evm_increaseTime",
        params: [duration],

CinnamonGrrrl

FundingTest
    ✓ testSettingAnOwnerDuringCreation (86ms)
    ✓ testAcceptingDonations (112ms)
    ✓ testTrackingDonatorsBalance (64ms)
    ✓ testFinishingFundRising (58ms)

  Contract: Funding
    ✓ sets an owner (64ms)
    ✓ accepts donations (115ms)
    ✓ keeps track of donator balance (165ms)

CinnamonGrrrl

import "./Clock.sol";

contract Funding {
  [...]
  
  uint public finishesAt;
  Clock clock;

  function Funding(uint _duration, address _clockAddress) public {
    owner = msg.sender;

CinnamonGrrrl

// migrations/2_funding.js
const Funding = artifacts.require("./Funding.sol");
const Clock = artifacts.require("./Clock.sol");

const DAY = 3600 * 24;

module.exports = async function(deployer) {
  await deployer.deploy(Clock);
  await deployer.deploy(Funding, DAY, Clock.address);
};

CinnamonGrrrl

function testFinishingFundRising() public {
  Clock clock = Clock(DeployedAddresses.Clock());
  Funding funding = new Funding(1 days, address(clock));
  Assert.equal(funding.isFinished(), false);
  clock.setNow(now + 1 days);
  Assert.equal(funding.isFinished(), true);
}