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893 lines
34 KiB
JavaScript
893 lines
34 KiB
JavaScript
const { BN, constants, expectEvent, expectRevert } = require('@openzeppelin/test-helpers');
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const { expect } = require('chai');
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const { ZERO_ADDRESS } = constants;
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const { shouldSupportInterfaces } = require('../../utils/introspection/SupportsInterface.behavior');
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const ERC721ReceiverMock = artifacts.require('ERC721ReceiverMock');
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const Error = ['None', 'RevertWithMessage', 'RevertWithoutMessage', 'Panic'].reduce(
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(acc, entry, idx) => Object.assign({ [entry]: idx }, acc),
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{},
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);
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const firstTokenId = new BN('5042');
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const secondTokenId = new BN('79217');
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const nonExistentTokenId = new BN('13');
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const fourthTokenId = new BN(4);
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const baseURI = 'https://api.example.com/v1/';
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const RECEIVER_MAGIC_VALUE = '0x150b7a02';
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function shouldBehaveLikeERC721(errorPrefix, owner, newOwner, approved, anotherApproved, operator, other) {
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shouldSupportInterfaces(['ERC165', 'ERC721']);
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context('with minted tokens', function () {
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beforeEach(async function () {
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await this.token.$_mint(owner, firstTokenId);
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await this.token.$_mint(owner, secondTokenId);
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this.toWhom = other; // default to other for toWhom in context-dependent tests
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});
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describe('balanceOf', function () {
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context('when the given address owns some tokens', function () {
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it('returns the amount of tokens owned by the given address', async function () {
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expect(await this.token.balanceOf(owner)).to.be.bignumber.equal('2');
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});
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});
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context('when the given address does not own any tokens', function () {
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it('returns 0', async function () {
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expect(await this.token.balanceOf(other)).to.be.bignumber.equal('0');
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});
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});
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context('when querying the zero address', function () {
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it('throws', async function () {
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await expectRevert(this.token.balanceOf(ZERO_ADDRESS), 'ERC721: address zero is not a valid owner');
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});
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});
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});
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describe('ownerOf', function () {
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context('when the given token ID was tracked by this token', function () {
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const tokenId = firstTokenId;
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it('returns the owner of the given token ID', async function () {
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expect(await this.token.ownerOf(tokenId)).to.be.equal(owner);
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});
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});
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context('when the given token ID was not tracked by this token', function () {
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const tokenId = nonExistentTokenId;
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it('reverts', async function () {
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await expectRevert(this.token.ownerOf(tokenId), 'ERC721: invalid token ID');
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});
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});
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});
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describe('transfers', function () {
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const tokenId = firstTokenId;
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const data = '0x42';
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let receipt = null;
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beforeEach(async function () {
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await this.token.approve(approved, tokenId, { from: owner });
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await this.token.setApprovalForAll(operator, true, { from: owner });
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});
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const transferWasSuccessful = function ({ owner, tokenId }) {
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it('transfers the ownership of the given token ID to the given address', async function () {
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expect(await this.token.ownerOf(tokenId)).to.be.equal(this.toWhom);
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});
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it('emits a Transfer event', async function () {
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expectEvent(receipt, 'Transfer', { from: owner, to: this.toWhom, tokenId: tokenId });
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});
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it('clears the approval for the token ID', async function () {
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expect(await this.token.getApproved(tokenId)).to.be.equal(ZERO_ADDRESS);
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});
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it('adjusts owners balances', async function () {
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expect(await this.token.balanceOf(owner)).to.be.bignumber.equal('1');
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});
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it('adjusts owners tokens by index', async function () {
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if (!this.token.tokenOfOwnerByIndex) return;
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expect(await this.token.tokenOfOwnerByIndex(this.toWhom, 0)).to.be.bignumber.equal(tokenId);
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expect(await this.token.tokenOfOwnerByIndex(owner, 0)).to.be.bignumber.not.equal(tokenId);
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});
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};
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const shouldTransferTokensByUsers = function (transferFunction) {
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context('when called by the owner', function () {
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beforeEach(async function () {
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receipt = await transferFunction.call(this, owner, this.toWhom, tokenId, { from: owner });
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});
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transferWasSuccessful({ owner, tokenId, approved });
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});
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context('when called by the approved individual', function () {
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beforeEach(async function () {
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receipt = await transferFunction.call(this, owner, this.toWhom, tokenId, { from: approved });
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});
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transferWasSuccessful({ owner, tokenId, approved });
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});
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context('when called by the operator', function () {
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beforeEach(async function () {
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receipt = await transferFunction.call(this, owner, this.toWhom, tokenId, { from: operator });
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});
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transferWasSuccessful({ owner, tokenId, approved });
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});
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context('when called by the owner without an approved user', function () {
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beforeEach(async function () {
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await this.token.approve(ZERO_ADDRESS, tokenId, { from: owner });
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receipt = await transferFunction.call(this, owner, this.toWhom, tokenId, { from: operator });
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});
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transferWasSuccessful({ owner, tokenId, approved: null });
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});
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context('when sent to the owner', function () {
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beforeEach(async function () {
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receipt = await transferFunction.call(this, owner, owner, tokenId, { from: owner });
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});
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it('keeps ownership of the token', async function () {
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expect(await this.token.ownerOf(tokenId)).to.be.equal(owner);
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});
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it('clears the approval for the token ID', async function () {
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expect(await this.token.getApproved(tokenId)).to.be.equal(ZERO_ADDRESS);
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});
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it('emits only a transfer event', async function () {
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expectEvent(receipt, 'Transfer', {
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from: owner,
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to: owner,
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tokenId: tokenId,
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});
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});
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it('keeps the owner balance', async function () {
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expect(await this.token.balanceOf(owner)).to.be.bignumber.equal('2');
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});
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it('keeps same tokens by index', async function () {
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if (!this.token.tokenOfOwnerByIndex) return;
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const tokensListed = await Promise.all([0, 1].map(i => this.token.tokenOfOwnerByIndex(owner, i)));
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expect(tokensListed.map(t => t.toNumber())).to.have.members([
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firstTokenId.toNumber(),
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secondTokenId.toNumber(),
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]);
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});
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});
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context('when the address of the previous owner is incorrect', function () {
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it('reverts', async function () {
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await expectRevert(
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transferFunction.call(this, other, other, tokenId, { from: owner }),
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'ERC721: transfer from incorrect owner',
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);
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});
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});
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context('when the sender is not authorized for the token id', function () {
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it('reverts', async function () {
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await expectRevert(
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transferFunction.call(this, owner, other, tokenId, { from: other }),
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'ERC721: caller is not token owner or approved',
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);
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});
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});
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context('when the given token ID does not exist', function () {
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it('reverts', async function () {
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await expectRevert(
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transferFunction.call(this, owner, other, nonExistentTokenId, { from: owner }),
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'ERC721: invalid token ID',
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);
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});
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});
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context('when the address to transfer the token to is the zero address', function () {
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it('reverts', async function () {
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await expectRevert(
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transferFunction.call(this, owner, ZERO_ADDRESS, tokenId, { from: owner }),
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'ERC721: transfer to the zero address',
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);
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});
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});
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};
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describe('via transferFrom', function () {
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shouldTransferTokensByUsers(function (from, to, tokenId, opts) {
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return this.token.transferFrom(from, to, tokenId, opts);
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});
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});
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describe('via safeTransferFrom', function () {
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const safeTransferFromWithData = function (from, to, tokenId, opts) {
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return this.token.methods['safeTransferFrom(address,address,uint256,bytes)'](from, to, tokenId, data, opts);
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};
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const safeTransferFromWithoutData = function (from, to, tokenId, opts) {
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return this.token.methods['safeTransferFrom(address,address,uint256)'](from, to, tokenId, opts);
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};
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const shouldTransferSafely = function (transferFun, data) {
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describe('to a user account', function () {
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shouldTransferTokensByUsers(transferFun);
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});
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describe('to a valid receiver contract', function () {
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beforeEach(async function () {
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this.receiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.None);
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this.toWhom = this.receiver.address;
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});
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shouldTransferTokensByUsers(transferFun);
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it('calls onERC721Received', async function () {
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const receipt = await transferFun.call(this, owner, this.receiver.address, tokenId, { from: owner });
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await expectEvent.inTransaction(receipt.tx, ERC721ReceiverMock, 'Received', {
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operator: owner,
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from: owner,
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tokenId: tokenId,
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data: data,
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});
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});
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it('calls onERC721Received from approved', async function () {
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const receipt = await transferFun.call(this, owner, this.receiver.address, tokenId, { from: approved });
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await expectEvent.inTransaction(receipt.tx, ERC721ReceiverMock, 'Received', {
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operator: approved,
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from: owner,
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tokenId: tokenId,
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data: data,
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});
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});
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describe('with an invalid token id', function () {
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it('reverts', async function () {
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await expectRevert(
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transferFun.call(this, owner, this.receiver.address, nonExistentTokenId, { from: owner }),
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'ERC721: invalid token ID',
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);
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});
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});
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});
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};
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describe('with data', function () {
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shouldTransferSafely(safeTransferFromWithData, data);
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});
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describe('without data', function () {
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shouldTransferSafely(safeTransferFromWithoutData, null);
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});
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describe('to a receiver contract returning unexpected value', function () {
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it('reverts', async function () {
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const invalidReceiver = await ERC721ReceiverMock.new('0x42', Error.None);
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await expectRevert(
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this.token.safeTransferFrom(owner, invalidReceiver.address, tokenId, { from: owner }),
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'ERC721: transfer to non ERC721Receiver implementer',
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);
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});
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});
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describe('to a receiver contract that reverts with message', function () {
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it('reverts', async function () {
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const revertingReceiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.RevertWithMessage);
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await expectRevert(
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this.token.safeTransferFrom(owner, revertingReceiver.address, tokenId, { from: owner }),
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'ERC721ReceiverMock: reverting',
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);
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});
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});
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describe('to a receiver contract that reverts without message', function () {
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it('reverts', async function () {
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const revertingReceiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.RevertWithoutMessage);
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await expectRevert(
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this.token.safeTransferFrom(owner, revertingReceiver.address, tokenId, { from: owner }),
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'ERC721: transfer to non ERC721Receiver implementer',
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);
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});
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});
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describe('to a receiver contract that panics', function () {
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it('reverts', async function () {
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const revertingReceiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.Panic);
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await expectRevert.unspecified(
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this.token.safeTransferFrom(owner, revertingReceiver.address, tokenId, { from: owner }),
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);
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});
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});
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describe('to a contract that does not implement the required function', function () {
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it('reverts', async function () {
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const nonReceiver = this.token;
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await expectRevert(
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this.token.safeTransferFrom(owner, nonReceiver.address, tokenId, { from: owner }),
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'ERC721: transfer to non ERC721Receiver implementer',
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);
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});
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});
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});
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});
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describe('safe mint', function () {
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const tokenId = fourthTokenId;
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const data = '0x42';
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describe('via safeMint', function () {
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// regular minting is tested in ERC721Mintable.test.js and others
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it('calls onERC721Received — with data', async function () {
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this.receiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.None);
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const receipt = await this.token.$_safeMint(this.receiver.address, tokenId, data);
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await expectEvent.inTransaction(receipt.tx, ERC721ReceiverMock, 'Received', {
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from: ZERO_ADDRESS,
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tokenId: tokenId,
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data: data,
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});
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});
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it('calls onERC721Received — without data', async function () {
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this.receiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.None);
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const receipt = await this.token.$_safeMint(this.receiver.address, tokenId);
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await expectEvent.inTransaction(receipt.tx, ERC721ReceiverMock, 'Received', {
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from: ZERO_ADDRESS,
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tokenId: tokenId,
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});
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});
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context('to a receiver contract returning unexpected value', function () {
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it('reverts', async function () {
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const invalidReceiver = await ERC721ReceiverMock.new('0x42', Error.None);
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await expectRevert(
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this.token.$_safeMint(invalidReceiver.address, tokenId),
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'ERC721: transfer to non ERC721Receiver implementer',
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);
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});
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});
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context('to a receiver contract that reverts with message', function () {
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it('reverts', async function () {
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const revertingReceiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.RevertWithMessage);
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await expectRevert(
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this.token.$_safeMint(revertingReceiver.address, tokenId),
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'ERC721ReceiverMock: reverting',
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);
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});
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});
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context('to a receiver contract that reverts without message', function () {
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it('reverts', async function () {
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const revertingReceiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.RevertWithoutMessage);
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await expectRevert(
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this.token.$_safeMint(revertingReceiver.address, tokenId),
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'ERC721: transfer to non ERC721Receiver implementer',
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);
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});
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});
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context('to a receiver contract that panics', function () {
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it('reverts', async function () {
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const revertingReceiver = await ERC721ReceiverMock.new(RECEIVER_MAGIC_VALUE, Error.Panic);
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await expectRevert.unspecified(this.token.$_safeMint(revertingReceiver.address, tokenId));
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});
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});
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context('to a contract that does not implement the required function', function () {
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it('reverts', async function () {
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const nonReceiver = this.token;
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await expectRevert(
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this.token.$_safeMint(nonReceiver.address, tokenId),
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'ERC721: transfer to non ERC721Receiver implementer',
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);
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});
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});
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});
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});
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describe('approve', function () {
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const tokenId = firstTokenId;
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let receipt = null;
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const itClearsApproval = function () {
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it('clears approval for the token', async function () {
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expect(await this.token.getApproved(tokenId)).to.be.equal(ZERO_ADDRESS);
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});
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};
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const itApproves = function (address) {
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it('sets the approval for the target address', async function () {
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expect(await this.token.getApproved(tokenId)).to.be.equal(address);
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});
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};
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const itEmitsApprovalEvent = function (address) {
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it('emits an approval event', async function () {
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expectEvent(receipt, 'Approval', {
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owner: owner,
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approved: address,
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tokenId: tokenId,
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});
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});
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};
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context('when clearing approval', function () {
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context('when there was no prior approval', function () {
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beforeEach(async function () {
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receipt = await this.token.approve(ZERO_ADDRESS, tokenId, { from: owner });
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});
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itClearsApproval();
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itEmitsApprovalEvent(ZERO_ADDRESS);
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});
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context('when there was a prior approval', function () {
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beforeEach(async function () {
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await this.token.approve(approved, tokenId, { from: owner });
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receipt = await this.token.approve(ZERO_ADDRESS, tokenId, { from: owner });
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});
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itClearsApproval();
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itEmitsApprovalEvent(ZERO_ADDRESS);
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});
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});
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context('when approving a non-zero address', function () {
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context('when there was no prior approval', function () {
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beforeEach(async function () {
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receipt = await this.token.approve(approved, tokenId, { from: owner });
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});
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itApproves(approved);
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itEmitsApprovalEvent(approved);
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});
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context('when there was a prior approval to the same address', function () {
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beforeEach(async function () {
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await this.token.approve(approved, tokenId, { from: owner });
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receipt = await this.token.approve(approved, tokenId, { from: owner });
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});
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itApproves(approved);
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itEmitsApprovalEvent(approved);
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});
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context('when there was a prior approval to a different address', function () {
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beforeEach(async function () {
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await this.token.approve(anotherApproved, tokenId, { from: owner });
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receipt = await this.token.approve(anotherApproved, tokenId, { from: owner });
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});
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itApproves(anotherApproved);
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itEmitsApprovalEvent(anotherApproved);
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});
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});
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context('when the address that receives the approval is the owner', function () {
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it('reverts', async function () {
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await expectRevert(this.token.approve(owner, tokenId, { from: owner }), 'ERC721: approval to current owner');
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});
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});
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context('when the sender does not own the given token ID', function () {
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it('reverts', async function () {
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await expectRevert(
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this.token.approve(approved, tokenId, { from: other }),
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'ERC721: approve caller is not token owner or approved',
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);
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});
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});
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context('when the sender is approved for the given token ID', function () {
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it('reverts', async function () {
|
|
await this.token.approve(approved, tokenId, { from: owner });
|
|
await expectRevert(
|
|
this.token.approve(anotherApproved, tokenId, { from: approved }),
|
|
'ERC721: approve caller is not token owner or approved for all',
|
|
);
|
|
});
|
|
});
|
|
|
|
context('when the sender is an operator', function () {
|
|
beforeEach(async function () {
|
|
await this.token.setApprovalForAll(operator, true, { from: owner });
|
|
receipt = await this.token.approve(approved, tokenId, { from: operator });
|
|
});
|
|
|
|
itApproves(approved);
|
|
itEmitsApprovalEvent(approved);
|
|
});
|
|
|
|
context('when the given token ID does not exist', function () {
|
|
it('reverts', async function () {
|
|
await expectRevert(
|
|
this.token.approve(approved, nonExistentTokenId, { from: operator }),
|
|
'ERC721: invalid token ID',
|
|
);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('setApprovalForAll', function () {
|
|
context('when the operator willing to approve is not the owner', function () {
|
|
context('when there is no operator approval set by the sender', function () {
|
|
it('approves the operator', async function () {
|
|
await this.token.setApprovalForAll(operator, true, { from: owner });
|
|
|
|
expect(await this.token.isApprovedForAll(owner, operator)).to.equal(true);
|
|
});
|
|
|
|
it('emits an approval event', async function () {
|
|
const receipt = await this.token.setApprovalForAll(operator, true, { from: owner });
|
|
|
|
expectEvent(receipt, 'ApprovalForAll', {
|
|
owner: owner,
|
|
operator: operator,
|
|
approved: true,
|
|
});
|
|
});
|
|
});
|
|
|
|
context('when the operator was set as not approved', function () {
|
|
beforeEach(async function () {
|
|
await this.token.setApprovalForAll(operator, false, { from: owner });
|
|
});
|
|
|
|
it('approves the operator', async function () {
|
|
await this.token.setApprovalForAll(operator, true, { from: owner });
|
|
|
|
expect(await this.token.isApprovedForAll(owner, operator)).to.equal(true);
|
|
});
|
|
|
|
it('emits an approval event', async function () {
|
|
const receipt = await this.token.setApprovalForAll(operator, true, { from: owner });
|
|
|
|
expectEvent(receipt, 'ApprovalForAll', {
|
|
owner: owner,
|
|
operator: operator,
|
|
approved: true,
|
|
});
|
|
});
|
|
|
|
it('can unset the operator approval', async function () {
|
|
await this.token.setApprovalForAll(operator, false, { from: owner });
|
|
|
|
expect(await this.token.isApprovedForAll(owner, operator)).to.equal(false);
|
|
});
|
|
});
|
|
|
|
context('when the operator was already approved', function () {
|
|
beforeEach(async function () {
|
|
await this.token.setApprovalForAll(operator, true, { from: owner });
|
|
});
|
|
|
|
it('keeps the approval to the given address', async function () {
|
|
await this.token.setApprovalForAll(operator, true, { from: owner });
|
|
|
|
expect(await this.token.isApprovedForAll(owner, operator)).to.equal(true);
|
|
});
|
|
|
|
it('emits an approval event', async function () {
|
|
const receipt = await this.token.setApprovalForAll(operator, true, { from: owner });
|
|
|
|
expectEvent(receipt, 'ApprovalForAll', {
|
|
owner: owner,
|
|
operator: operator,
|
|
approved: true,
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
context('when the operator is the owner', function () {
|
|
it('reverts', async function () {
|
|
await expectRevert(this.token.setApprovalForAll(owner, true, { from: owner }), 'ERC721: approve to caller');
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('getApproved', async function () {
|
|
context('when token is not minted', async function () {
|
|
it('reverts', async function () {
|
|
await expectRevert(this.token.getApproved(nonExistentTokenId), 'ERC721: invalid token ID');
|
|
});
|
|
});
|
|
|
|
context('when token has been minted ', async function () {
|
|
it('should return the zero address', async function () {
|
|
expect(await this.token.getApproved(firstTokenId)).to.be.equal(ZERO_ADDRESS);
|
|
});
|
|
|
|
context('when account has been approved', async function () {
|
|
beforeEach(async function () {
|
|
await this.token.approve(approved, firstTokenId, { from: owner });
|
|
});
|
|
|
|
it('returns approved account', async function () {
|
|
expect(await this.token.getApproved(firstTokenId)).to.be.equal(approved);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('_mint(address, uint256)', function () {
|
|
it('reverts with a null destination address', async function () {
|
|
await expectRevert(this.token.$_mint(ZERO_ADDRESS, firstTokenId), 'ERC721: mint to the zero address');
|
|
});
|
|
|
|
context('with minted token', async function () {
|
|
beforeEach(async function () {
|
|
this.receipt = await this.token.$_mint(owner, firstTokenId);
|
|
});
|
|
|
|
it('emits a Transfer event', function () {
|
|
expectEvent(this.receipt, 'Transfer', { from: ZERO_ADDRESS, to: owner, tokenId: firstTokenId });
|
|
});
|
|
|
|
it('creates the token', async function () {
|
|
expect(await this.token.balanceOf(owner)).to.be.bignumber.equal('1');
|
|
expect(await this.token.ownerOf(firstTokenId)).to.equal(owner);
|
|
});
|
|
|
|
it('reverts when adding a token id that already exists', async function () {
|
|
await expectRevert(this.token.$_mint(owner, firstTokenId), 'ERC721: token already minted');
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('_burn', function () {
|
|
it('reverts when burning a non-existent token id', async function () {
|
|
await expectRevert(this.token.$_burn(nonExistentTokenId), 'ERC721: invalid token ID');
|
|
});
|
|
|
|
context('with minted tokens', function () {
|
|
beforeEach(async function () {
|
|
await this.token.$_mint(owner, firstTokenId);
|
|
await this.token.$_mint(owner, secondTokenId);
|
|
});
|
|
|
|
context('with burnt token', function () {
|
|
beforeEach(async function () {
|
|
this.receipt = await this.token.$_burn(firstTokenId);
|
|
});
|
|
|
|
it('emits a Transfer event', function () {
|
|
expectEvent(this.receipt, 'Transfer', { from: owner, to: ZERO_ADDRESS, tokenId: firstTokenId });
|
|
});
|
|
|
|
it('deletes the token', async function () {
|
|
expect(await this.token.balanceOf(owner)).to.be.bignumber.equal('1');
|
|
await expectRevert(this.token.ownerOf(firstTokenId), 'ERC721: invalid token ID');
|
|
});
|
|
|
|
it('reverts when burning a token id that has been deleted', async function () {
|
|
await expectRevert(this.token.$_burn(firstTokenId), 'ERC721: invalid token ID');
|
|
});
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
function shouldBehaveLikeERC721Enumerable(errorPrefix, owner, newOwner, approved, anotherApproved, operator, other) {
|
|
shouldSupportInterfaces(['ERC721Enumerable']);
|
|
|
|
context('with minted tokens', function () {
|
|
beforeEach(async function () {
|
|
await this.token.$_mint(owner, firstTokenId);
|
|
await this.token.$_mint(owner, secondTokenId);
|
|
this.toWhom = other; // default to other for toWhom in context-dependent tests
|
|
});
|
|
|
|
describe('totalSupply', function () {
|
|
it('returns total token supply', async function () {
|
|
expect(await this.token.totalSupply()).to.be.bignumber.equal('2');
|
|
});
|
|
});
|
|
|
|
describe('tokenOfOwnerByIndex', function () {
|
|
describe('when the given index is lower than the amount of tokens owned by the given address', function () {
|
|
it('returns the token ID placed at the given index', async function () {
|
|
expect(await this.token.tokenOfOwnerByIndex(owner, 0)).to.be.bignumber.equal(firstTokenId);
|
|
});
|
|
});
|
|
|
|
describe('when the index is greater than or equal to the total tokens owned by the given address', function () {
|
|
it('reverts', async function () {
|
|
await expectRevert(this.token.tokenOfOwnerByIndex(owner, 2), 'ERC721Enumerable: owner index out of bounds');
|
|
});
|
|
});
|
|
|
|
describe('when the given address does not own any token', function () {
|
|
it('reverts', async function () {
|
|
await expectRevert(this.token.tokenOfOwnerByIndex(other, 0), 'ERC721Enumerable: owner index out of bounds');
|
|
});
|
|
});
|
|
|
|
describe('after transferring all tokens to another user', function () {
|
|
beforeEach(async function () {
|
|
await this.token.transferFrom(owner, other, firstTokenId, { from: owner });
|
|
await this.token.transferFrom(owner, other, secondTokenId, { from: owner });
|
|
});
|
|
|
|
it('returns correct token IDs for target', async function () {
|
|
expect(await this.token.balanceOf(other)).to.be.bignumber.equal('2');
|
|
const tokensListed = await Promise.all([0, 1].map(i => this.token.tokenOfOwnerByIndex(other, i)));
|
|
expect(tokensListed.map(t => t.toNumber())).to.have.members([
|
|
firstTokenId.toNumber(),
|
|
secondTokenId.toNumber(),
|
|
]);
|
|
});
|
|
|
|
it('returns empty collection for original owner', async function () {
|
|
expect(await this.token.balanceOf(owner)).to.be.bignumber.equal('0');
|
|
await expectRevert(this.token.tokenOfOwnerByIndex(owner, 0), 'ERC721Enumerable: owner index out of bounds');
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('tokenByIndex', function () {
|
|
it('returns all tokens', async function () {
|
|
const tokensListed = await Promise.all([0, 1].map(i => this.token.tokenByIndex(i)));
|
|
expect(tokensListed.map(t => t.toNumber())).to.have.members([
|
|
firstTokenId.toNumber(),
|
|
secondTokenId.toNumber(),
|
|
]);
|
|
});
|
|
|
|
it('reverts if index is greater than supply', async function () {
|
|
await expectRevert(this.token.tokenByIndex(2), 'ERC721Enumerable: global index out of bounds');
|
|
});
|
|
|
|
[firstTokenId, secondTokenId].forEach(function (tokenId) {
|
|
it(`returns all tokens after burning token ${tokenId} and minting new tokens`, async function () {
|
|
const newTokenId = new BN(300);
|
|
const anotherNewTokenId = new BN(400);
|
|
|
|
await this.token.$_burn(tokenId);
|
|
await this.token.$_mint(newOwner, newTokenId);
|
|
await this.token.$_mint(newOwner, anotherNewTokenId);
|
|
|
|
expect(await this.token.totalSupply()).to.be.bignumber.equal('3');
|
|
|
|
const tokensListed = await Promise.all([0, 1, 2].map(i => this.token.tokenByIndex(i)));
|
|
const expectedTokens = [firstTokenId, secondTokenId, newTokenId, anotherNewTokenId].filter(
|
|
x => x !== tokenId,
|
|
);
|
|
expect(tokensListed.map(t => t.toNumber())).to.have.members(expectedTokens.map(t => t.toNumber()));
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('_mint(address, uint256)', function () {
|
|
it('reverts with a null destination address', async function () {
|
|
await expectRevert(this.token.$_mint(ZERO_ADDRESS, firstTokenId), 'ERC721: mint to the zero address');
|
|
});
|
|
|
|
context('with minted token', async function () {
|
|
beforeEach(async function () {
|
|
this.receipt = await this.token.$_mint(owner, firstTokenId);
|
|
});
|
|
|
|
it('adjusts owner tokens by index', async function () {
|
|
expect(await this.token.tokenOfOwnerByIndex(owner, 0)).to.be.bignumber.equal(firstTokenId);
|
|
});
|
|
|
|
it('adjusts all tokens list', async function () {
|
|
expect(await this.token.tokenByIndex(0)).to.be.bignumber.equal(firstTokenId);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('_burn', function () {
|
|
it('reverts when burning a non-existent token id', async function () {
|
|
await expectRevert(this.token.$_burn(firstTokenId), 'ERC721: invalid token ID');
|
|
});
|
|
|
|
context('with minted tokens', function () {
|
|
beforeEach(async function () {
|
|
await this.token.$_mint(owner, firstTokenId);
|
|
await this.token.$_mint(owner, secondTokenId);
|
|
});
|
|
|
|
context('with burnt token', function () {
|
|
beforeEach(async function () {
|
|
this.receipt = await this.token.$_burn(firstTokenId);
|
|
});
|
|
|
|
it('removes that token from the token list of the owner', async function () {
|
|
expect(await this.token.tokenOfOwnerByIndex(owner, 0)).to.be.bignumber.equal(secondTokenId);
|
|
});
|
|
|
|
it('adjusts all tokens list', async function () {
|
|
expect(await this.token.tokenByIndex(0)).to.be.bignumber.equal(secondTokenId);
|
|
});
|
|
|
|
it('burns all tokens', async function () {
|
|
await this.token.$_burn(secondTokenId, { from: owner });
|
|
expect(await this.token.totalSupply()).to.be.bignumber.equal('0');
|
|
await expectRevert(this.token.tokenByIndex(0), 'ERC721Enumerable: global index out of bounds');
|
|
});
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
function shouldBehaveLikeERC721Metadata(errorPrefix, name, symbol, owner) {
|
|
shouldSupportInterfaces(['ERC721Metadata']);
|
|
|
|
describe('metadata', function () {
|
|
it('has a name', async function () {
|
|
expect(await this.token.name()).to.be.equal(name);
|
|
});
|
|
|
|
it('has a symbol', async function () {
|
|
expect(await this.token.symbol()).to.be.equal(symbol);
|
|
});
|
|
|
|
describe('token URI', function () {
|
|
beforeEach(async function () {
|
|
await this.token.$_mint(owner, firstTokenId);
|
|
});
|
|
|
|
it('return empty string by default', async function () {
|
|
expect(await this.token.tokenURI(firstTokenId)).to.be.equal('');
|
|
});
|
|
|
|
it('reverts when queried for non existent token id', async function () {
|
|
await expectRevert(this.token.tokenURI(nonExistentTokenId), 'ERC721: invalid token ID');
|
|
});
|
|
|
|
describe('base URI', function () {
|
|
beforeEach(function () {
|
|
if (this.token.setBaseURI === undefined) {
|
|
this.skip();
|
|
}
|
|
});
|
|
|
|
it('base URI can be set', async function () {
|
|
await this.token.setBaseURI(baseURI);
|
|
expect(await this.token.baseURI()).to.equal(baseURI);
|
|
});
|
|
|
|
it('base URI is added as a prefix to the token URI', async function () {
|
|
await this.token.setBaseURI(baseURI);
|
|
expect(await this.token.tokenURI(firstTokenId)).to.be.equal(baseURI + firstTokenId.toString());
|
|
});
|
|
|
|
it('token URI can be changed by changing the base URI', async function () {
|
|
await this.token.setBaseURI(baseURI);
|
|
const newBaseURI = 'https://api.example.com/v2/';
|
|
await this.token.setBaseURI(newBaseURI);
|
|
expect(await this.token.tokenURI(firstTokenId)).to.be.equal(newBaseURI + firstTokenId.toString());
|
|
});
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
module.exports = {
|
|
shouldBehaveLikeERC721,
|
|
shouldBehaveLikeERC721Enumerable,
|
|
shouldBehaveLikeERC721Metadata,
|
|
};
|