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92 lines
3.2 KiB
JavaScript
92 lines
3.2 KiB
JavaScript
1 year ago
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const { BN, expectRevert } = require('@openzeppelin/test-helpers');
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const { expect } = require('chai');
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const ERC721URIStorageMock = artifacts.require('$ERC721URIStorageMock');
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contract('ERC721URIStorage', function (accounts) {
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const [owner] = accounts;
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const name = 'Non Fungible Token';
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const symbol = 'NFT';
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const firstTokenId = new BN('5042');
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const nonExistentTokenId = new BN('13');
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beforeEach(async function () {
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this.token = await ERC721URIStorageMock.new(name, symbol);
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});
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describe('token URI', function () {
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beforeEach(async function () {
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await this.token.$_mint(owner, firstTokenId);
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});
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const baseURI = 'https://api.example.com/v1/';
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const sampleUri = 'mock://mytoken';
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it('it is empty by default', async function () {
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expect(await this.token.tokenURI(firstTokenId)).to.be.equal('');
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});
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it('reverts when queried for non existent token id', async function () {
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await expectRevert(this.token.tokenURI(nonExistentTokenId), 'ERC721: invalid token ID');
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});
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it('can be set for a token id', async function () {
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await this.token.$_setTokenURI(firstTokenId, sampleUri);
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expect(await this.token.tokenURI(firstTokenId)).to.be.equal(sampleUri);
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});
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it('reverts when setting for non existent token id', async function () {
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await expectRevert(
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this.token.$_setTokenURI(nonExistentTokenId, sampleUri),
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'ERC721URIStorage: URI set of nonexistent token',
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);
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});
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it('base URI can be set', async function () {
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await this.token.setBaseURI(baseURI);
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expect(await this.token.$_baseURI()).to.equal(baseURI);
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});
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it('base URI is added as a prefix to the token URI', async function () {
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await this.token.setBaseURI(baseURI);
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await this.token.$_setTokenURI(firstTokenId, sampleUri);
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expect(await this.token.tokenURI(firstTokenId)).to.be.equal(baseURI + sampleUri);
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});
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it('token URI can be changed by changing the base URI', async function () {
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await this.token.setBaseURI(baseURI);
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await this.token.$_setTokenURI(firstTokenId, sampleUri);
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const newBaseURI = 'https://api.example.com/v2/';
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await this.token.setBaseURI(newBaseURI);
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expect(await this.token.tokenURI(firstTokenId)).to.be.equal(newBaseURI + sampleUri);
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});
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it('tokenId is appended to base URI for tokens with no URI', async function () {
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await this.token.setBaseURI(baseURI);
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expect(await this.token.tokenURI(firstTokenId)).to.be.equal(baseURI + firstTokenId);
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});
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it('tokens without URI can be burnt ', async function () {
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await this.token.$_burn(firstTokenId, { from: owner });
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expect(await this.token.$_exists(firstTokenId)).to.equal(false);
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await expectRevert(this.token.tokenURI(firstTokenId), 'ERC721: invalid token ID');
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});
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it('tokens with URI can be burnt ', async function () {
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await this.token.$_setTokenURI(firstTokenId, sampleUri);
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await this.token.$_burn(firstTokenId, { from: owner });
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expect(await this.token.$_exists(firstTokenId)).to.equal(false);
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await expectRevert(this.token.tokenURI(firstTokenId), 'ERC721: invalid token ID');
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});
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});
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});
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