Add tests for ERC20Token and EtherToken_v2
This commit is contained in:
Amir Bandeali
123
packages/contracts/test/ts/erc20Token.ts
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123
packages/contracts/test/ts/erc20Token.ts
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@@ -0,0 +1,123 @@
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import {ZeroEx} from '0x.js';
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import {BigNumber} from 'bignumber.js';
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import * as chai from 'chai';
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import * as Web3 from 'web3';
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import {Artifacts} from '../../util/artifacts';
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import {constants} from '../../util/constants';
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import {ContractInstance} from '../../util/types';
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import {chaiSetup} from './utils/chai_setup';
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const {DummyToken} = new Artifacts(artifacts);
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const web3: Web3 = (global as any).web3;
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chaiSetup.configure();
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const expect = chai.expect;
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contract('ERC20Token', (accounts: string[]) => {
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const zeroEx = new ZeroEx(web3.currentProvider);
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const owner = accounts[0];
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const spender = accounts[1];
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const MAX_MINT_VALUE = new BigNumber(100000000000000000000);
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let tokenAddress: string;
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let token: ContractInstance;
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beforeEach(async () => {
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token = await DummyToken.new({from: owner});
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await token.mint(MAX_MINT_VALUE, {from: owner});
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tokenAddress = token.address;
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});
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describe('transfer', () => {
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it('should throw if owner has insufficient balance', async () => {
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const ownerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const amountToTransfer = ownerBalance.plus(1);
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return expect(token.transfer.call(owner, spender, amountToTransfer, {from: spender}))
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.to.be.rejectedWith(constants.REVERT);
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});
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it('should transfer balance from sender to receiver', async () => {
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const receiver = spender;
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const initOwnerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const amountToTransfer = new BigNumber(1);
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await zeroEx.token.transferAsync(tokenAddress, owner, receiver, amountToTransfer);
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const finalOwnerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const finalReceiverBalance = await zeroEx.token.getBalanceAsync(tokenAddress, receiver);
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const expectedFinalOwnerBalance = initOwnerBalance.minus(amountToTransfer);
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const expectedFinalReceiverBalance = amountToTransfer;
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expect(finalOwnerBalance).to.be.bignumber.equal(expectedFinalOwnerBalance);
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expect(finalReceiverBalance).to.be.bignumber.equal(expectedFinalReceiverBalance);
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});
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it('should return true on a 0 value transfer', async () => {
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const didReturnTrue = await token.transfer.call(spender, 0, {from: owner});
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expect(didReturnTrue).to.be.true();
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});
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});
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describe('transferFrom', () => {
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it('should throw if owner has insufficient balance', async () => {
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const ownerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const amountToTransfer = ownerBalance.plus(1);
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await zeroEx.token.setAllowanceAsync(tokenAddress, owner, spender, amountToTransfer);
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return expect(token.transferFrom.call(owner, spender, amountToTransfer, {from: spender}))
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.to.be.rejectedWith(constants.REVERT);
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});
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it('should throw if spender has insufficient allowance', async () => {
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const ownerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const amountToTransfer = ownerBalance;
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const spenderAllowance = await zeroEx.token.getAllowanceAsync(tokenAddress, owner, spender);
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const spenderAllowanceIsInsufficient = spenderAllowance.cmp(amountToTransfer) < 0;
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expect(spenderAllowanceIsInsufficient).to.be.true();
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return expect(token.transferFrom.call(owner, spender, amountToTransfer, {from: spender}))
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.to.be.rejectedWith(constants.REVERT);
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});
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it('should return true on a 0 value transfer', async () => {
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const amountToTransfer = 0;
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const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, {from: spender});
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expect(didReturnTrue).to.be.true();
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});
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it('should not modify spender allowance if spender allowance is 2^256 - 1', async () => {
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const initOwnerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const amountToTransfer = initOwnerBalance;
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const initSpenderAllowance = zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
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await zeroEx.token.setAllowanceAsync(tokenAddress, owner, spender, initSpenderAllowance);
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await zeroEx.token.transferFromAsync(tokenAddress, owner, spender, spender, amountToTransfer);
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const newSpenderAllowance = await zeroEx.token.getAllowanceAsync(tokenAddress, owner, spender);
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expect(initSpenderAllowance).to.be.bignumber.equal(newSpenderAllowance);
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});
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it('should transfer the correct balances if spender has sufficient allowance', async () => {
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const initOwnerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const amountToTransfer = initOwnerBalance;
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const initSpenderAllowance = initOwnerBalance;
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await zeroEx.token.setAllowanceAsync(tokenAddress, owner, spender, initSpenderAllowance);
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await zeroEx.token.transferFromAsync(tokenAddress, owner, spender, spender, amountToTransfer);
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const newOwnerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const newSpenderBalance = await zeroEx.token.getBalanceAsync(tokenAddress, spender);
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expect(newOwnerBalance).to.be.bignumber.equal(0);
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expect(newSpenderBalance).to.be.bignumber.equal(initOwnerBalance);
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});
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it('should modify allowance if spender has sufficient allowance less than 2^256 - 1', async () => {
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const initOwnerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
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const amountToTransfer = initOwnerBalance;
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const initSpenderAllowance = initOwnerBalance;
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await zeroEx.token.setAllowanceAsync(tokenAddress, owner, spender, initSpenderAllowance);
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await zeroEx.token.transferFromAsync(tokenAddress, owner, spender, spender, amountToTransfer);
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const newSpenderAllowance = await zeroEx.token.getAllowanceAsync(tokenAddress, owner, spender);
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expect(newSpenderAllowance).to.be.bignumber.equal(0);
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});
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});
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});
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@@ -8,7 +8,7 @@ import {Artifacts} from '../../util/artifacts';
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import {chaiSetup} from './utils/chai_setup';
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const {EtherToken} = new Artifacts(artifacts);
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const {EtherTokenV2} = new Artifacts(artifacts);
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chaiSetup.configure();
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const expect = chai.expect;
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@@ -17,13 +17,14 @@ const expect = chai.expect;
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// with type `any` to a variable of type `Web3`.
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const web3: Web3 = (global as any).web3;
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contract('EtherToken', (accounts: string[]) => {
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contract('EtherTokenV2', (accounts: string[]) => {
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const account = accounts[0];
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const gasPrice = ZeroEx.toBaseUnitAmount(new BigNumber(20), 9);
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let zeroEx: ZeroEx;
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let etherTokenAddress: string;
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before(async () => {
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etherTokenAddress = EtherToken.address;
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beforeEach(async () => {
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const etherToken = await EtherTokenV2.new();
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etherTokenAddress = etherToken.address;
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zeroEx = new ZeroEx(web3.currentProvider, {
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gasPrice,
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etherTokenContractAddress: etherTokenAddress,
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@@ -62,9 +63,32 @@ contract('EtherToken', (accounts: string[]) => {
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expect(finalEthBalance).to.be.bignumber.equal(initEthBalance.minus(ethToDeposit.plus(ethSpentOnGas)));
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expect(finalEthTokenBalance).to.be.bignumber.equal(initEthTokenBalance.plus(ethToDeposit));
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});
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it('should log 1 event with correct arguments', async () => {
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const ethToDeposit = new BigNumber(web3.toWei(1, 'ether'));
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const txHash = await zeroEx.etherToken.depositAsync(ethToDeposit, account);
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const receipt = await zeroEx.awaitTransactionMinedAsync(txHash);
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const logs = receipt.logs;
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expect(logs.length).to.equal(1);
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const expectedFrom = ZeroEx.NULL_ADDRESS;
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const expectedTo = account;
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const expectedValue = ethToDeposit;
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const logArgs = logs[0].args;
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expect(logArgs._from).to.equal(expectedFrom);
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expect(logArgs._to).to.equal(expectedTo);
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expect(logArgs._value).to.be.bignumber.equal(ethToDeposit);
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});
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});
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describe('withdraw', () => {
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beforeEach(async () => {
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const ethToDeposit = new BigNumber(web3.toWei(1, 'ether'));
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await zeroEx.etherToken.depositAsync(ethToDeposit, account);
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});
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it('should throw if caller attempts to withdraw greater than caller balance', async () => {
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const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account);
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const ethTokensToWithdraw = initEthTokenBalance.plus(1);
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@@ -89,6 +113,26 @@ contract('EtherToken', (accounts: string[]) => {
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.equal(initEthBalance.plus(ethTokensToWithdraw.minus(ethSpentOnGas)));
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expect(finalEthTokenBalance).to.be.bignumber.equal(initEthTokenBalance.minus(ethTokensToWithdraw));
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});
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it('should log 1 event with correct arguments', async () => {
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const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account);
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const initEthBalance = await getEthBalanceAsync(account);
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const ethTokensToWithdraw = initEthTokenBalance;
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expect(ethTokensToWithdraw).to.not.be.bignumber.equal(0);
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const txHash = await zeroEx.etherToken.withdrawAsync(ethTokensToWithdraw, account);
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const receipt = await zeroEx.awaitTransactionMinedAsync(txHash);
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const logs = receipt.logs;
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expect(logs.length).to.equal(1);
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const expectedFrom = account;
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const expectedTo = ZeroEx.NULL_ADDRESS;
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const expectedValue = ethTokensToWithdraw;
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const logArgs = logs[0].args;
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expect(logArgs._from).to.equal(expectedFrom);
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expect(logArgs._to).to.equal(expectedTo);
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expect(logArgs._value).to.be.bignumber.equal(ethTokensToWithdraw);
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});
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});
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describe('fallback', () => {
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