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openzeppelin-contracts/test/utils/Pausable.test.js

90 lines
3.0 KiB

const { ethers } = require('hardhat');
const { expect } = require('chai');
const { loadFixture } = require('@nomicfoundation/hardhat-network-helpers');
async function fixture() {
const [pauser] = await ethers.getSigners();
const mock = await ethers.deployContract('PausableMock');
return { pauser, mock };
}
describe('Pausable', function () {
beforeEach(async function () {
Object.assign(this, await loadFixture(fixture));
});
describe('when unpaused', function () {
beforeEach(async function () {
expect(await this.mock.paused()).to.be.false;
});
it('can perform normal process in non-pause', async function () {
expect(await this.mock.count()).to.equal(0n);
await this.mock.normalProcess();
expect(await this.mock.count()).to.equal(1n);
});
it('cannot take drastic measure in non-pause', async function () {
await expect(this.mock.drasticMeasure()).to.be.revertedWithCustomError(this.mock, 'ExpectedPause');
expect(await this.mock.drasticMeasureTaken()).to.be.false;
});
describe('when paused', function () {
beforeEach(async function () {
this.tx = await this.mock.pause();
});
it('emits a Paused event', async function () {
await expect(this.tx).to.emit(this.mock, 'Paused').withArgs(this.pauser);
});
it('cannot perform normal process in pause', async function () {
await expect(this.mock.normalProcess()).to.be.revertedWithCustomError(this.mock, 'EnforcedPause');
});
it('can take a drastic measure in a pause', async function () {
await this.mock.drasticMeasure();
expect(await this.mock.drasticMeasureTaken()).to.be.true;
});
it('reverts when re-pausing', async function () {
await expect(this.mock.pause()).to.be.revertedWithCustomError(this.mock, 'EnforcedPause');
});
describe('unpausing', function () {
it('is unpausable by the pauser', async function () {
await this.mock.unpause();
expect(await this.mock.paused()).to.be.false;
});
describe('when unpaused', function () {
beforeEach(async function () {
this.tx = await this.mock.unpause();
});
it('emits an Unpaused event', async function () {
await expect(this.tx).to.emit(this.mock, 'Unpaused').withArgs(this.pauser);
});
it('should resume allowing normal process', async function () {
expect(await this.mock.count()).to.equal(0n);
await this.mock.normalProcess();
expect(await this.mock.count()).to.equal(1n);
});
it('should prevent drastic measure', async function () {
await expect(this.mock.drasticMeasure()).to.be.revertedWithCustomError(this.mock, 'ExpectedPause');
});
it('reverts when re-unpausing', async function () {
await expect(this.mock.unpause()).to.be.revertedWithCustomError(this.mock, 'ExpectedPause');
});
});
});
});
});
});