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openzeppelin-contracts/test/access/Roles.test.js

67 lines
2.2 KiB

const { assertRevert } = require('../helpers/assertRevert');
const RolesMock = artifacts.require('RolesMock');
require('chai')
.should();
contract('Roles', function ([_, authorized, otherAuthorized, anyone]) {
const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
beforeEach(async function () {
this.roles = await RolesMock.new();
});
it('reverts when querying roles for the null account', async function () {
await assertRevert(this.roles.has(ZERO_ADDRESS));
});
context('initially', function () {
it('doesn\'t pre-assign roles', async function () {
(await this.roles.has(authorized)).should.equal(false);
(await this.roles.has(otherAuthorized)).should.equal(false);
(await this.roles.has(anyone)).should.equal(false);
});
describe('adding roles', function () {
it('adds roles to a single account', async function () {
await this.roles.add(authorized);
(await this.roles.has(authorized)).should.equal(true);
(await this.roles.has(anyone)).should.equal(false);
});
it('adds roles to an already-assigned account', async function () {
await this.roles.add(authorized);
await this.roles.add(authorized);
(await this.roles.has(authorized)).should.equal(true);
});
it('reverts when adding roles to the null account', async function () {
await assertRevert(this.roles.add(ZERO_ADDRESS));
});
});
});
context('with added roles', function () {
beforeEach(async function () {
await this.roles.add(authorized);
await this.roles.add(otherAuthorized);
});
describe('removing roles', function () {
it('removes a single role', async function () {
await this.roles.remove(authorized);
(await this.roles.has(authorized)).should.equal(false);
(await this.roles.has(otherAuthorized)).should.equal(true);
});
it('doesn\'t revert when removing unassigned roles', async function () {
await this.roles.remove(anyone);
});
it('reverts when removing roles from the null account', async function () {
await assertRevert(this.roles.remove(ZERO_ADDRESS));
});
});
});
});