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Add default implementation for metadata URI

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This allows token implementation to be non-abstract
This commit is contained in:
Santiago Palladino
2018-03-09 13:25:45 -03:00
parent 54a1d2eacc
commit 851685c40e
3 changed files with 54 additions and 27 deletions
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24
test/token/ERC721/ERC721Token.test.js
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@ -77,6 +77,8 @@ contract('ERC721Token', function (accounts) {
});
describe('metadata', function () {
const sampleUri = 'mock://mytoken';
it('has a name', async function () {
const name = await this.token.name();
name.should.be.equal(name);
@ -87,10 +89,26 @@ contract('ERC721Token', function (accounts) {
symbol.should.be.equal(symbol);
});
it('returns metadata for a token id', async function () {
it('sets and returns metadata for a token id', async function () {
await this.token.setTokenURI(firstTokenId, sampleUri);
const uri = await this.token.tokenURI(firstTokenId);
const expected = `mock://${firstTokenId.toString().padStart(78, 0)}`;
uri.should.be.equal(expected);
uri.should.be.equal(sampleUri);
});
it('can burn token with metadata', async function () {
await this.token.setTokenURI(firstTokenId, sampleUri);
await this.token.burn(firstTokenId);
const exists = await this.token.exists(firstTokenId);
exists.should.be.false;
});
it('returns empty metadata for token', async function () {
const uri = await this.token.tokenURI(firstTokenId);
uri.should.be.equal('');
});
it('reverts when querying metadata for non existant token id', async function () {
await assertRevert(this.token.tokenURI(500));
});
});